Depression, anxiety and stress among patients with hematological malignancies and the association with quality of life: a cross-sectional study - Papathanasiou, Ioanna; Kelepouris, Konstantinos; Valari, Chrisoula; Papagiannis, Dimitrios; Tzavella, Foteini; Kourkouta, Lambrini; Tsaras, Konstantinos; Fradelos, Evangelos (Medicine and Pharmacy Reports, 2020)